Investors Demand Miners Set Out Risks to Waste Storage Safety

  • Ninety-six investment groups ask chairs, CEOs to sign replies
  • Investors are ‘deeply concerned’ about waste storage safety

Aerial view taken after the collapse of a dam.

Photographer: Douglas Magno/AFP via Getty Images

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Investors controlling more than $10 trillion in assets have asked the world’s top mining companies to disclose how they manage their waste storage facilities as part of the response to Vale SA’s fatal dam disaster.

A letter, signed by 96 investment groups led by the Church of England Pensions Board and the Swedish Council of Ethics, demanded chief executive officers or chairs sign off on the disclosures within 45 days, certifying that they are accurate. The request comes after the Brumadinho dam failure in Brazil in January that killed hundreds of people.